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Maximize the efficiency of hydronic systems with the Bell & Gossett ATF-24 Airtrol Tank Fitting, an essential component designed for regulating air within compression tanks. Engineered with precision, this fitting is crafted from durable cast iron and features a 1/2 inch Male NPT tank connection alongside a 3/4 inch Female NPT connection to the boiler.
This specialized fitting is ideal for use with compression tanks up to 24 inches in diameter, promoting a more efficient hydronic system operation by allowing controlled air flow while limiting water pass-back during the system's off cycle.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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